01/01/2022: Removal of monarchy symbol
Brunei currency no longer featured the portrait of the Sultan as part of efforts to modernize the banknotes.
23/02/2020: COVID-19 Pandemic's Impact on the Iranian Rial
The COVID-19 pandemic, along with economic challenges, caused further depreciation of the Iranian Rial (IRR) against major currencies.
10/04/2018: Revaluation of the Iranian Rial
Iran's government announced a new currency exchange rate, devaluing the Iranian Rial (IRR) against foreign currencies.
21/07/2017: Commencement of New Series Polymer Banknotes
New series of polymer banknotes with modern designs entered circulation.
05/05/2013: Upgrade of polymer banknotes
Introduction of new polymer banknotes with enhanced security features.
24/09/2012: Imposition of International Sanctions on Iran
International sanctions were imposed on Iran, leading to a significant decline in the value of the Iranian Rial (IRR).
01/07/2011: Introduction of Brunei-Indonesia Currency Agreement
Brunei dollar became interchangeable with Indonesian rupiah in specified regions.
18/03/1996: Change in currency regime
Brunei dollar became fully backed by foreign exchange reserves instead of gold.
24/05/1989: Introduction of the Two-Tier Exchange Rate System
Iran implemented a two-tier exchange rate system, with different rates for essential goods and non-essential imports.
26/10/1975: Floating of the Iranian Rial
The Iranian Rial (IRR) was allowed to float against foreign currencies, marking the end of the fixed exchange rate system.
12/06/1973: Establishment of Brunei Currency Board
Currency Board assumed responsibility for the issuance and management of Brunei dollar.
27/07/1967: Introduction of Brunei and Singapore Currency Interchangeability Agreement
Brunei and Singapore dollars became interchangeable at par.
01/09/1957: Decimalization of the Iranian Rial
The Iranian Rial (IRR) was decimalized, dividing one Toman into 10 Rials to simplify the currency system.
01/04/1932: Introduction of the Iranian Rial
The Iranian Rial (IRR) was introduced as the official currency of Iran after replacing the Qiran.